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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DAVID KEITH JOHNSTON M.D.
NPI 1093731846
Internal Medicine - Gastroenterology in Lexington, KY

Active since July 14, 2006
1221 S BROADWAY, LEXINGTON, KY 40504(859) 258-4950(859) 258-4618 Get Directions Write a Review

NPPES record last updated: July 12, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About David Keith Johnston M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID KEITH JOHNSTON M.D. (NPI 1093731846) is an individual gastroenterology provider in Lexington, Kentucky, licensed in Kentucky (37917) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1093731846
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDAVID KEITH JOHNSTONCredential: M.D.
Location Address1221 S BROADWAYLexington, KY 40504-2701
Mailing Address1221 S BroadwayLexington, KY 40504-2701 · (859) 258-4950 · Fax (859) 258-4618
Phone(859) 258-4950
Fax(859) 258-4618
Sole ProprietorNo
Enumeration DateJuly 14, 2006
Last NPPES UpdateJuly 12, 2026
✔ NPI 1093731846 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in KY · 37917
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1221 S BROADWAY, Lexington, KY 40504
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Other Identifiers 6

OtherASC 1019KY · Asc Medicare Group#
OtherCNO474KY · Rr Medicare Group#
Other3600818KY · Asc Medicaid Group#
Other37903705KY · Medicaid Lab Group#
Other4000501KY · Medicare Lab Group#
Medicaid64069990KY

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARK A SWISHER MD
Internal Medicine
1221 S BROADWAY, SB-5
LEXINGTON, KY 40504
Fayette County (859) 258-4530
DR. MICHAEL T CECIL M.D.
Otolaryngology
1221 S BROADWAY
LEXINGTON, KY 40504
Fayette County (859) 258-4371
TIMOTHY JAMES AVERION-MAHLOCH M.D.
Radiology (Diagnostic Radiology)
1221 S BROADWAY
LEXINGTON, KY 40504
Fayette County (859) 258-4181
MERIWETHER CARY BLAYDES M.D.
Internal Medicine (Cardiovascular Disease)
1221 S BROADWAY
LEXINGTON, KY 40504
Fayette County (859) 258-4661
SHAILENDRA CHOPRA M.D.
Radiology (Body Imaging)
1221 S BROADWAY
LEXINGTON, KY 40504
Fayette County (859) 258-4181
WENDY GOODRICH CROPPER M.D.
Internal Medicine
1221 S BROADWAY
LEXINGTON, KY 40504
Fayette County (859) 258-4548
THOMAS JOSEPH GOODENOW M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1221 S BROADWAY
LEXINGTON, KY 40504
Fayette County (859) 258-4401
STEVE KOCHU M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1221 S BROADWAY
LEXINGTON, KY 40504
Fayette County (859) 258-4401

Frequently Asked Questions

What is David Johnston's NPI number?

The NPI number assigned to this healthcare provider is 1093731846, enumerated as an "individual" on July 14, 2006.

Where is the provider located?

The provider is located at 1221 S BROADWAY LEXINGTON, KY 40504 and the phone number is (859) 258-4950.

What is the provider's specialty?

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

What insurance does David Johnston accept?

The provider might be accepting Accepts: Medicare, Medicaid and Railroad Medicare. Please consult your insurance carrier or call the provider to verify.